103023220155523 has 4 divisors (see below), whose sum is σ = 103023503343160. Its totient is φ = 103022936967888.

The previous prime is 103023220155433. The next prime is 103023220155539. The reversal of 103023220155523 is 325551022320301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103023220155523 is a prime.

It is a super-2 number, since 2×103023220155523² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103023220155923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141047418 + ... + 141775951.

It is an arithmetic number, because the mean of its divisors is an integer number (25755875835790).

Almost surely, 2^{103023220155523} is an apocalyptic number.

103023220155523 is a deficient number, since it is larger than the sum of its proper divisors (283187637).

103023220155523 is an equidigital number, since it uses as much as digits as its factorization.

103023220155523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283187636.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 103023220155523 its reverse (325551022320301), we get a palindrome (428574242475824).

The spelling of 103023220155523 in words is "one hundred three trillion, twenty-three billion, two hundred twenty million, one hundred fifty-five thousand, five hundred twenty-three".